National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

John Wayne-Orange County Airport (KSNA)

Lat: 33.6798°NLon: 117.8674°WElev: 39.0ft.

Clear

81°F

27°C

Humidity 57%
Wind Speed SW 6 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 22 Aug 07:20 PM PDT
Extended Forecast for

4 Miles SSW Irvine CA

Extreme Heat Watch August 25, 10:00am until August 28, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Tonight

    Tonight: Mostly clear, with a low around 67. Southwest wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. West wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. Southwest wind around 5 mph becoming calm after midnight.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, sunny, with a high near 87.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 67. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 86. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 68. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 83. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 67. Southwest wind around 5 mph becoming calm after midnight.
Tuesday
Patchy fog before 11am. Otherwise, sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 69.
Saturday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Irvine CA
 33.61°N 117.82°W (Elev. 784 ft)
Last Update:
1:41 pm PDT Aug 22, 2026
Forecast Valid:
7pm PDT Aug 22, 2026-6pm PDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation